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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 4 |
| 3 | 8 |
| 4 | 15 |
| 5 | 29 |
| 6 | 54 |
| 7 | 103 |
| 8 | 192 |
| 9 | 364 |
| 10 | 680 |
| 11 | 1285 |
| 12 | 2405 |
| 13 | 4536 |
| 14 | 8501 |
| 15 | 16014 |
| 16 | 30040 |
| 17 | 56544 |
| 18 | 106135 |
| 19 | 199673 |
| 20 | 374950 |
| 21 | 705155 |
| 22 | 1324524 |
| 23 | 2490416 |
| 24 | 4678728 |
| 25 | 8795773 |
| 26 | 16526601 |
| 27 | 31066048 |
| 28 | 58375577 |
| 29 | 109724746 |
| 30 | 206192780 |
| 31 | 387549816 |
| 32 | 728303087 |
| 33 | 1368842229 |
| 34 | 2572459078 |
| 35 | 4834829775 |
| 36 | 9086219464 |
[1,2,4,8,15,29,54,103,192,364,680,1285,2405,4536, 8501,16014,30040,56544,106135,199673,374950, 705155,1324524,2490416,4678728,8795773,16526601, 31066048,58375577,109724746,206192780,387549816, 728303087,1368842229,2572459078,4834829775, 9086219464] |